[2/2] proof: allow proof courier to short cut with local archive #2159

Job	Run time
Format check	25s
Docker build check	2m 58s
Compilation check	34s
cross compilation	8m 41s
run itests	8m 26s
run itests postgres	14m 9s
Lint check	2m 8s
go mod check	28s
RPC check	1m 34s
Sqlc check	15s
test vector check	54s
run unit tests (unit-race)	5m 3s
run unit tests (unit-cover)	2m 46s
run unit tests (unit dbbackend=postgres)	3m 47s
	52m 8s

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